Season
- Season 1 1999-04-29
- Season 2 2000-01-05
- Season 3 2001-01-03
- Season 4 2002-01-02
- Season 5 2003-01-01
- Season 6 2003-12-31
- Season 7 2005-01-06
- Season 8 2006-01-06
- Season 9 2007-01-05
- Season 10 2008-01-04
- Season 11 2009-01-02
- Season 12 2010-01-01
- Season 13 2011-01-07
- Season 14 2012-01-06
- Season 15 2013-01-04
- Season 16 2014-01-03
- Season 17 2015-01-02
- Season 18 2016-01-07
- Season 19 2017-01-03
- Season 20 2018-01-02
- Season 21 2019-01-01
- Season 22 2020-01-03
- Season 23 2021-01-01
- Season 24 2022-01-07
- Season 25 2023-01-06
- Season 26 2024-01-03
- Season 27 2025-01-03
Season 27 Episode
- Season 23 January 1, 2021
- Season 23 January 8, 2021
- Season 23 January 15, 2021
- Season 23 January 22, 2021
- Season 23 January 29, 2021
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- Season 23 February 19, 2021
- Season 23 February 26, 2021
- Season 23 March 5, 2021
- Season 23 March 12, 2021
- Season 23 March 19, 2021
- Season 23 March 26, 2021
- Season 23 April 2, 2021
- Season 23 April 9, 2021
- Season 23 April 16, 2021
- Season 23 April 23, 2021
- Season 23 April 30, 2021
- Season 23 May 7, 2021
- Season 23 May 14, 2021
- Season 23 May 21, 2021
- Season 23 May 28, 2021
- Season 23 June 4, 2021
- Season 23 June 11, 2021
- Season 23 June 18, 2021
- Season 23 June 25, 2021
- Season 23 July 2, 2021
- Season 23 July 9, 2021
- Season 23 July 16, 2021
- Season 23 July 23, 2021
- Season 23 July 30, 2021
- Season 23 August 6, 2021
- Season 23 August 13, 2021
- Season 23 August 20, 2021
- Season 23 August 27, 2021
- Season 23 September 3, 2021
- Season 23 September 10, 2021
- Season 23 September 17, 2021
- Season 23 September 24, 2021
- Season 23 October 1, 2021
- Season 23 October 8, 2021
- Season 23 October 15, 2021
- Season 23 October 22, 2021
- Season 23 October 29, 2021
- Season 23 November 5, 2021
- Season 23 November 12, 2021
- Season 23 November 19, 2021
- Season 23 November 26, 2021
- Season 23 December 3, 2021
- Season 23 December 10, 2021
- Season 23 December 17, 2021
- Season 23 December 24, 2021
- Season 23 December 31, 2021
WWE SmackDown - Season 23 Episode 50 December 10, 2021
7.50 87 minutes SmackDown #1164
The New Day, The Usos and RK-Bro vie for the title of WWE's best tag team. Xia Li makes her SmackDown debut. Brock Lesnar sends Sami Zayn a message. Shinsuke Nakamura & Rick Boogs take on Los Lotharios. Drew McIntyre battles Sheamus.
